CVE-2026-44722

pyzipper is a replacement for Python's zipfile that can read and write AES encrypted zip files. Prior to 0.4.0, a Python operator precedence bug in pyzipper/zipfileaes.py caused the AE-2 format to never be automatically selected during encryption, causing encrypted entries to be written in AE-1...

DEBIAN-CVE-2026-44722

pyzipper is a replacement for Python's zipfile that can read and write AES encrypted zip files. Prior to 0.4.0, a Python operator precedence bug in pyzipper/zipfileaes.py caused the AE-2 format to never be automatically selected during encryption, causing encrypted entries to be written in AE-1...

CVE-2026-44722

pyzipper is a replacement for Python's zipfile that can read and write AES encrypted zip files. Prior to 0.4.0, a Python operator precedence bug in pyzipper/zipfileaes.py caused the AE-2 format to never be automatically selected during encryption, causing encrypted entries to be written in AE-1...

CVE-2026-44722 pyzipper: Encryption bypass for small files encrypted with pyzipper

pyzipper is a replacement for Python's zipfile that can read and write AES encrypted zip files. Prior to 0.4.0, a Python operator precedence bug in pyzipper/zipfileaes.py caused the AE-2 format to never be automatically selected during encryption, causing encrypted entries to be written in AE-1...

PYSEC-2026-3044 pyzipper has an encryption bypass for small files encrypted using it

Impact A Python operator precedence bug in pyzipper/zipfileaes.py caused the AE-2 format to never be automatically selected during encryption, regardless of file size or compression type. As a result, all encrypted entries are written in AE-1 format unless AE-2 is explicitly forced by the caller...

PT-2026-41139

Name of the Vulnerable Software and Affected Versions pyzipper versions prior to 0.4.0 Description A Python operator precedence bug in pyzipper/zipfile aes.py prevents the AE-2 format from being automatically selected during encryption. Consequently, encrypted entries are written in AE-1 format...